From 0b8b5d1f3b5f45374d1e43390777b2de51fb7728 Mon Sep 17 00:00:00 2001
From: rubidium <rubidium@openttd.org>
Date: Sun, 4 May 2008 21:47:36 +0000
Subject: (svn r12943) -Fix: reading/modifying invalid data under some
 circumstances.

---
 src/fileio.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/fileio.cpp b/src/fileio.cpp
index 09329b84f..c6eb90ca9 100644
--- a/src/fileio.cpp
+++ b/src/fileio.cpp
@@ -315,7 +315,7 @@ FILE *FioFOpenFileSp(const char *filename, const char *mode, Searchpath sp, Subd
 	f = fopen(buf, mode);
 #if !defined(WIN32)
 	if (f == NULL) {
-		strtolower(buf + strlen(_searchpaths[sp]) - 1);
+		strtolower(buf + ((subdir == NO_DIRECTORY) ? 0 : strlen(_searchpaths[sp]) - 1));
 		f = fopen(buf, mode);
 	}
 #endif
-- 
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